MMS Marketing in Australia: The Complete Guide

MMS marketing sends rich media — images, GIFs, video — directly to a customer's native message inbox, no app required. In Australia it has become the highest-engagement broadcast channel available to marketers: MMS campaigns routinely see open rates near 98%, and personalised campaigns run through MobileDigital's platform have recorded 60% click-through and coupon redemption rates of 14.5% — against under 1% for comparable email. This guide covers how the channel actually works — file sizes, formats, carrier behaviour, cost logic, design, compliance — so you can evaluate and run it properly.

Last reviewed: 5 August 2026.

Why MMS came back

MMS has existed since the early 2000s, but in its first decade it was overpriced and patchy — by the time smartphones normalised rich media, WhatsApp and Facebook had claimed person-to-person picture messaging, and marketers wrote MMS off. Two things changed: per-message costs fell sharply, and platform capability (personalised image generation, dynamic content, delivery tracking) caught up. In the US — the leading indicator for the channel — MMS usage grew 28% in 2020 and messaging platform Attentive has reported clients earning $71 for every text-marketing dollar spent. The economics that made MMS a luxury now make it the premium tier of the one channel with near-universal reach: the native inbox.

The technical shape of an MMS

What you're actually sending, and the limits that matter in Australia:

Operational notes behind that table:

• Animated GIF is the workhorse. It renders natively on effectively every handset, autoplays in the inbox, and carries motion without video's size and compatibility costs. Most high-performing AU retail campaigns are GIFs.
• Size discipline is delivery discipline. Oversized media is the most common cause of degraded MMS delivery. Build creative at the target size; don't rely on carrier transcoding to save you.
• The text layer always arrives. Treat the message text as a functional layer, not a caption: identification, offer terms, link and opt-out live there, so the message stays compliant and actionable even if media loads slowly. (This is also a Spam Act requirement — identification and opt-out must not depend on the image.)
• One message, one price. MMS is billed per message, not per 153-character segment — a long, personalised MMS with media can cost less than a multi-segment SMS while carrying far more.

What the channel delivers: the numbers

First-party results from campaigns run on MobileDigital's platform, plus the industry figures we consider load-bearing:

The honest caveat: these are campaign-level figures, not universal guarantees — personalisation and audience quality drive the top end. The floor (open rate, read speed) is structural to the inbox; the ceiling (CTR, redemption) is earned.

MMS or SMS? The working split

The full comparison has its own page; the short version:

• MMS when the message must carry the brand: launches, lookbooks, gift cards, wallet passes, seasonal campaigns. Lower cadence (quarterly-ish), higher impact — it builds your brand in the handset, especially paired with a vCard so future sends resolve to your name.
• SMS for the connective tissue: reminders, flash offers, two-way conversation, transactional flow. Higher cadence tolerance, lowest cost.
• The pattern that works: open with MMS to establish the brand, sustain with SMS, return to MMS when the content earns it.

Designing MMS that performs

Condensed from our design guide and Think Visual:

1. Design for the 6-second greedy glance — mobile attention isn't short, it's impatient. The image must land the story before the scroll.
2. Design for the small screen first — don't recycle web/print assets; compose for a phone-width canvas with type sized for a handheld.
3. Personalise the pixels, not just the text. MobileDigital's platform renders per-recipient personalised images at scale — a name inside the creative outperforms a name in the greeting.
4. Make it contextual — tie the creative to something true about the recipient (last purchase, location, loyalty status).
5. One action. One offer, one visible call to action, one link.

Compliance, briefly

Everything in the Australian messaging compliance guide applies to MMS in full: consent, identification, functional opt-out, and the Sender ID Register regime. The two MMS-specific rules: identify your brand in both the media and the text layer, and respect that MMS reads as higher-touch — the same frequency that's tolerable in SMS erodes inferred consent faster in MMS.

Where MMS earns its keep: use cases

• Digital gift cards — Tap2Gift delivers branded gift cards by MMS with wallet redemption; 100% of sent cards are seen.
• Wallet passes — an MMS introduces the offer; Add2Wallet puts it in the customer's Apple/Google wallet where it persists.
• Coupon campaigns — visual offers with urgency mechanics (redemption data).
• Re-engagement — animated campaigns to lapsed lists, where the format's novelty does the re-opening (Harris Farm's 19.94% above).

FAQ

What file size should an MMS be in Australia? Design to 500–600 KB or less; for time-sensitive campaigns keep media under 150 KB. Australian carriers accept larger messages (up to around 1 MB), but smaller media delivers faster and more reliably.

What image formats work for MMS marketing? GIF, PNG and JPEG render reliably across Australian handsets. Animated GIF is the most-used format for marketing because it autoplays in the native inbox.

Is MMS more expensive than SMS? Per message, yes — but MMS is billed per message while long SMS bills per 153-character segment, and MMS carries media plus ~1,000 characters. On a per-campaign-outcome basis, personalised MMS redemption rates (14.5% vs <1% for email in our campaign data) frequently make it the cheaper acquisition channel.

Do recipients need an app to receive MMS? No. MMS arrives in the native messages inbox on every phone — that's the channel's core advantage over app-based rich messaging.

Can MMS be personalised at scale? Yes — including the image itself, not just the text. MobileDigital's platform generates per-recipient creative (names, offers, barcodes inside the visual) for campaigns at full list scale.

intouch by MobileDigital is an Australian MMS-first marketing platform: personalised visual campaigns, dedicated numbers, consent and opt-out management built in.